#!/bin/sh -e

# Set the variable sys_arch so that we can change the
# build procedure depending on the host arch. Currently,
# we are only supporting i686 and x86_64.
sys_arch="$(uname -m)"

kinstall_t() {
    # install -Dm* -t alternative
    # usage: kinstall_t 755 /usr/bin file file2 file3
    mod=$1 dir=$2; mkdir -p "$dir"
    shift 2
    for file; do
        cp "$file" "$dir"
        chmod "$mod" "$dir/$file"
    done
}

./configure \
    --prefix=/usr \
    --syslibdir=/usr/lib

make
make DESTDIR="$1" install

mkdir -p "$1/usr/bin"

case "$sys_arch" in
    x86_64) ln -s /usr/lib/ld-musl-x86_64.so.1 "$1/usr/bin/ldd" ;;
    i*86)
        ln -s libc.so                  "$1/usr/lib/libc.musl-x86.so"
        ln -s ../lib/ld-musl-i386.so.1 "$1/usr/bin/ldd"
    ;;
esac

# Install BSD compatibility headers.
kinstall_t 755 "$1/usr/include/sys" cdefs.h queue.h tree.h

# Install getconf.
"${CC:=cc}" --static getconf.c -o "$1/usr/bin/getconf"

case $sys_arch in i*86)
    "$CC" -c __stack_chk_fail_local.c -o __stack_chk_fail_local.o
    ar r "$1/usr/lib/libssp_nonshared.a" __stack_chk_fail_local.o
esac

# Install getent
kinstall_t 755 "$1/usr/bin" getent